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Significant Accounting Policies (Tables)
9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Accounting Policies [Abstract]    
Schedule of assets and liabilities that are measured at fair value on a recurring basis
   Level  September 30,
2021
   December 31,
2020
 
Warrant liabilities – Private Warrants  3  $416,516   $522,579 

 

   Level   December 31,
2020
   December 31,
2019
 
Warrant liabilities – Private Warrants  3   $522,579   $533,319 

 

Schedule of fair value of warrant liabilities regarding Level 3 fair value measurements
Warrant liabilities at December 31, 2019  $533,319 
Change in fair value of warrants liabilities for the year ended December 31, 2020   (10,740)
Warrant liabilities at December 31, 2020   522,579 
Change in fair value of warrants liabilities for the nine months ended September 30, 2021   (106,063)
Warrant liabilities at September 30, 2021  $416,516 

 

Warrant liabilities at December 31, 2018  $611,178 
Change in fair value of warrants liabilities for the year ended December 31, 2019   (77,859)
Warrant liabilities at December 31, 2019   533,319 
Change in fair value of warrants liabilities for the year ended December 31, 2020   (10,740)
Warrant liabilities at December 31, 2020  $522,579 

 

Schedule of fair value of private warrants
   September 30,
2021
   December 31,
2020
 
Stock price  $11.33   $11.41 
Exercise price  $11.50   $11.50 
Risk-free interest rate   1.02%   0.40%
Expected term (in years)   5.25    5.25 
Expected dividend yield   0.00%   0.00%
Expected volatility   40.72%   41.59%
Merger probability adjustment   60.00%   75.00%

 

   December 31,
2020
   December 31,
2019
 
Stock price  $11.41   $10.35 
Exercise price  $11.50   $11.50 
Risk-free interest rate   0.40%   1.71%
Expected term (in years)   5.25    5.25 
Expected dividend yield   0.00%   0.00%
Expected volatility   41.59%   37.70%
Merger probability adjustment   75.00%   95.00%